What this means
The IEEE assigned the MA-L block 000028 to PRODIGY SYSTEMS CORPORATION. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:00:28, it is PRODIGY SYSTEMS CORPORATION hardware.
Frequently Asked Questions
Who owns MAC prefix 000028?
000028 is registered to PRODIGY SYSTEMS CORPORATION in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. PRODIGY SYSTEMS CORPORATION's block covers 16,777,216 addresses.
What devices use 000028?
Any network device with a MAC address starting 00:00:28 was manufactured by or for PRODIGY SYSTEMS CORPORATION.